Wednesday, August5, 2020
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Marine Weather and Tides
Coral Gables, FL

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:48AMSunset 8:05PM Wednesday August 5, 2020 9:09 PM EDT (01:09 UTC) Moonrise 8:45PMMoonset 7:30AM Illumination 96% Phase: Waning Gibbous; Moon at 17 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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AMZ630 Biscayne Bay- 419 Pm Edt Wed Aug 5 2020
Tonight..Southeast winds 5 to 10 knots. Bay waters a light chop.
Thursday..Southeast winds around 5 knots. Bay waters smooth. Slight chance of showers and Thunderstorms in the morning.
Thursday night..East southeast winds around 5 knots. Bay waters smooth.
Friday..East southeast winds 5 to 10 knots. Bay waters a light chop. Chance of showers and Thunderstorms.
Friday night..East winds 5 to 10 knots. Bay waters a light chop.
Saturday and Saturday night..East winds 5 to 10 knots. Bay waters a light chop. Slight chance of showers and Thunderstorms in the morning, then chance of showers and Thunderstorms.
Sunday..East winds 5 to 10 knots. Bay waters a light chop. Chance of showers in the morning. Chance of Thunderstorms
showers likely in the afternoon
Sunday night..East southeast winds 5 to 10 knots. Bay waters a light chop. Slight chance of showers and Thunderstorms in the evening, then chance of showers and Thunderstorms after midnight.
Monday..East winds 5 to 10 knots. Bay waters a light chop. Chance of showers in the morning. Chance of Thunderstorms
showers likely in the afternoon
AMZ600 Synopsis For Jupiter Inlet To Ocean Reef Fl Out To 60 Nm And For East Cape Sable To Bonita Beach Fl Out To 60 Nm- 419 Pm Edt Wed Aug 5 2020
Synopsis.. Generally weak, south to southeasterly flow will remain across the local waters through mid-week before high pressure builds into the region, swinging winds out of the east by the weekend. Outside of typical summertime showers and Thunderstorms, relatively benign boating conditions are forecast.
Gulf stream hazards..Scattered Thunderstorms are forecast each day through the weekend. The approximate location of the west wall of the gulf stream as of aug 04, 2020 at 1200 utc... 7 nautical miles east southeast of fowey rocks. 13 nautical miles east northeast of port everglades. 16 nautical miles east of lake worth. 23 nautical miles east of jupiter inlet. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Coral Gables, FL
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location: 25.67, -80.21     debug


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 060004 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 804 PM EDT Wed Aug 5 2020

Aviation. Showers and thunderstorms should begin to diminish with the loss of daytime heating. However, an upper level disturbance in the area may keep things going a little longer than forecast. Overnight hours should be mostly quiet, although a few storms ares till possible across the area. Tomorrow should see another round of convection. However, with an easterly flow forecast, the activity should be more towards the interior and Gulf coast.

Update. Bumped up PoPs through the evening and kept a slight chance overnight as activity is much more robust than previously forecast. this is likely due to the 500mb trough in the vicinity and ongoing outflow boundaries traversing the area. While the convection should not be nearly as intense as this afternoon, the overnight could still see some heavy showers and some frequent lightning with some of the cells.

Prev Discussion. /issued 305 PM EDT Wed Aug 5 2020/

Short Term .

This Afternoon through Thursday .

The trough of low pressure that been over South Florida for the last couple of days that was formally associated with Isaias is slowly weakening this afternoon. This allowed for the east coast sea breeze to develop and push slowly inland this afternoon, as the west coast sea breeze has pushed into the western interior areas. The west coast sea breeze will continue to push inland with the east coast sea breeze remaining over the eastern interior areas. These sea breezes will allow for scattered to numerous showers and thunderstorms to develop over the interior and Lake Okeechobee region late this afternoon before slowly dissipating this evening.

The trough so be gone by Thursday allowing for high pressure over the Western Atlantic waters to build into the Florida Peninsula. This will allow for an easterly wind flow to set up over South Florida on Thursday leading to more of a typical summer day with morning activity eastern areas shifting into the interior and west coast metro areas during the afternoon and evening hours.

Highs on Thursday will be in the lower to mid 90s except around 90 east coast metro areas. This will lead to heat indices in the 105 to 108 degrees over most areas of South Florida, except for the coast metro areas where it will be in the 100 to 105 degrees range. Lows will also be in the 70s tonight except around 80 east coast metro areas.

Long Term .

Thursday Night through Tuesday .

Not much change in the long term as a moist regime continues to dominate. Main change would be a shift in low-level winds -- to a more easterly component. Environment looks favorable for the development of deep, slow moving convection with plenty of lightning and heavy downpours thanks to a mid-level trough. Furthermore, surface high pressure will continue to build over the area from the western Atlantic, giving those winds that aforementioned easterly component. This will aid in even more tropical moisture across the area, though highest PoPs will be over the Gulf Coast/Interior sections.

Numerous showers and scattered storms continue each day with locally heavy rainfall and standing water in low spots, lightning, and perhaps some gusty winds. Again, PoPs have been capped at 70 percent, but as we get into early next week, daily flow patterns will be dominated by sea breeze formation and the consequential development of local boundaries. Seasonal temperatures can be expected.

Marine . The winds will remain easterly at 5 to 10 knots rest of this week into this weekend. This will keep that seas in the Atlantic waters at 3 feet or less with the Gulf seas at 2 feet or less. Therefore, boating conditions looks good outside of any showers or thunderstorms.

Preliminary Point Temps/PoPs. West Palm Beach 77 90 76 90 / 30 50 10 60 Fort Lauderdale 79 89 79 89 / 30 30 20 60 Miami 78 90 78 89 / 30 30 20 60 Naples 76 92 76 92 / 40 50 20 70

MFL WATCHES/WARNINGS/ADVISORIES. FL . None. AM . None. GM . None.

Update . 13 Marine . 54/BNB Aviation . 13 Beach Forecast . 54/BNB Short Term . 54/BNB Long Term . 03/Fell


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VAKF1 - 8723214 - Virginia Key, FL 5 mi52 min WNW 9.9 G 16 76°F 89°F1018 hPa
FWYF1 - Fowey Rocks, FL 8 mi70 min W 8.9 G 11 82°F 86°F1016.8 hPa (+1.5)
MDKF1 28 mi130 min 91°F
PEGF1 29 mi52 min 85°F 1016.5 hPa
HCEF1 - Highway Creek, FL 31 mi130 min 93°F
MNBF1 32 mi130 min 92°F
THRF1 33 mi190 min 89°F
LSNF1 - Long Sound, FL 33 mi130 min 91°F
LBSF1 - Little Blackwater, FL 34 mi190 min 90°F
JBYF1 35 mi130 min 93°F
TCVF1 - Trout Cove, FL 36 mi190 min 93°F
BWSF1 - Blackwater Sound, FL 36 mi190 min 91°F
DKKF1 - Duck Key, FL 37 mi190 min 91°F
TRRF1 - Taylor River, FL 39 mi130 min 92°F
LMDF1 - Little Madeira, FL 41 mi130 min 92°F
CANF1 - Cane Patch, FL 42 mi130 min 87°F
BNKF1 - Butternut Key, FL 43 mi130 min 91°F
BDVF1 - Broad River, FL 43 mi130 min 88°F
NRRF1 44 mi130 min 89°F
TPEF1 - Tarpon Bay East, FL 44 mi190 min 89°F
WIWF1 - Willy Willy, FL 45 mi130 min 88°F
LRIF1 45 mi130 min 92°F
TBYF1 45 mi130 min 93°F
GBTF1 - Garfield Bight, FL 47 mi130 min 94°F
HREF1 48 mi130 min 88°F
GBIF1 - Gunboat Island, FL 48 mi130 min 88°F
WWEF1 49 mi190 min 91°F

Wind History for Virginia Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Miami, Miami International Airport, FL11 mi77 minSSW 97.00 miThunderstorm Light Rain73°F73°F100%1017.1 hPa
Miami, Kendall-Tamiami Executive Airport, FL12 mi77 minNW 47.00 miThunderstorm in Vicinity Heavy Rain79°F75°F90%1017.1 hPa
Homestead Air Reserve Base, FL16 mi74 minNNW 1410.00 miOvercast80°F73°F81%1016.9 hPa
Miami, Opa Locka Airport, FL17 mi77 minSW 410.00 miThunderstorm in Vicinity80°F73°F82%1016.9 hPa
Hollywood, North Perry Airport, FL23 mi77 minWNW 410.00 miA Few Clouds80°F75°F87%1016.9 hPa

Link to 5 minute data for KMIA

Wind History from MIA (wind in knots)
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Last 24hrSE5SE4S3SE4SE6SE4SE5SE5SE4SE4CalmCalm33SE5E3CalmSE6SE10E9SE8W6S9E8
1 day ago3NE3S3SE5S5SE4S3S3CalmCalmS3CalmSW6S4SE10SW6--SW6S44SE3S5SE7SE8
2 days agoCalmS3CalmSE3CalmCalmCalmCalmCalmS3S3SE4S6SW6
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SW9SW8SW6SW4SW3N3

Tide / Current Tables for Coral Shoal, Biscayne Channel, Florida
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Coral Shoal
Click for Map
Wed -- 04:49 AM EDT     0.10 feet Low Tide
Wed -- 06:49 AM EDT     Sunrise
Wed -- 08:30 AM EDT     Moonset
Wed -- 10:44 AM EDT     2.16 feet High Tide
Wed -- 05:01 PM EDT     -0.04 feet Low Tide
Wed -- 08:03 PM EDT     Sunset
Wed -- 09:45 PM EDT     Moonrise
Wed -- 11:11 PM EDT     2.26 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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21.610.50.20.10.30.71.31.82.12.11.91.510.50.1-00.10.511.62.12.3

Tide / Current Tables for Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
Click for Map
Wed -- 03:16 AM EDT     -1.57 knots Max Ebb
Wed -- 05:33 AM EDT     0.01 knots Slack
Wed -- 06:49 AM EDT     Sunrise
Wed -- 08:29 AM EDT     Moonset
Wed -- 08:52 AM EDT     1.84 knots Max Flood
Wed -- 11:39 AM EDT     -0.00 knots Slack
Wed -- 03:25 PM EDT     -1.55 knots Max Ebb
Wed -- 05:49 PM EDT     0.00 knots Slack
Wed -- 08:03 PM EDT     Sunset
Wed -- 09:13 PM EDT     2.00 knots Max Flood
Wed -- 09:45 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.4-1-1.3-1.6-1.4-0.70.61.51.81.81.60.7-0.3-1-1.4-1.5-1.5-0.90.21.41.921.91.2

Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Miami-South Florida, FL (21,6,7,8)
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Ground Weather Radar Station Miami, FL
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weather_mapweather_map weather_map

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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.